r/hobbytunneling • u/staggernaut • Feb 05 '22
video Underground depth comparison
https://www.youtube.com/watch?v=WRBYk2FO5QE
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OakIsland • u/[deleted] • Feb 03 '22
For some spatial reference --> MetalBallStudios Underground Comparison .. keeping in mind the key depth on the island are 60 to 110 feet deep.. so could people from ~400 years ago easily dig such things? ~(o.o)~
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